1Here's a howto on adding the users in the first place: 2 3bash-3.2# dscl . create /Groups/munin PrimaryGroupId 4949 4bash-3.2# dscl . create /Users/munin UniqueId 4949 5bash-3.2# dscl . create /Users/munin PrimaryGroupId 4949 6bash-3.2# dscl . create /Users/munin UserShell /bin/false 7bash-3.2# dscl . create /Users/munin NFSHomeDirectory /nohome 8bash-3.2# dscl . create /Users/munin RealName Munin 9bash-3.2# dscl . create /Groups/munin GroupMembership munin 10 11bash-3.2# dscl . -read /Users/munin 12dsAttrTypeNative:PrimaryGroupId: 4949 13dsAttrTypeNative:UniqueId: 4949 14AppleMetaNodeLocation: /Local/Default 15GeneratedUID: 2A56D7FE-00D0-4B81-BAE7-F842E675031D 16NFSHomeDirectory: /nohome 17RealName: Munin 18RecordName: munin 19RecordType: dsRecTypeStandard:Users 20UserShell: /bin/false 21 22bash-3.2# dscl . -read /Groups/munin 23dsAttrTypeNative:PrimaryGroupId: 4949 24AppleMetaNodeLocation: /Local/Default 25GeneratedUID: F53ACCA3-2CB9-440F-84A6-E2FADC44CB9E 26GroupMembership: munin 27RecordName: munin 28RecordType: dsRecTypeStandard:Groups 29 30